header {
  font-size: 20px;
  width: 460px;
  background-color: #B4CCB9;
  padding: 20px;
  height: 200px;
}
a {
  text-decoration: underline;
}
a:hover {
  color: red;
}
a:active {
  color: blue;
}
section {
  width: 460px;
  padding: 20px;
}
div {
  height: 20px;
}
div:nth-child(1) {
  background: #c8c8fc;
}
div:nth-child(2) {
  background: #9898f9;
}
div:nth-child(3) {
  background: #6767f7;
}
div:nth-child(4) {
  background: #3737f4;
}
